40002240401 has 2 divisors, whose sum is σ = 40002240402. Its totient is φ = 40002240400.

The previous prime is 40002240361. The next prime is 40002240403. The reversal of 40002240401 is 10404220004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31978380625 + 8023859776 = 178825^2 + 89576^2 .

It is a cyclic number.

It is not a de Polignac number, because 40002240401 - 2¹⁸ = 40001978257 is a prime.

Together with 40002240403, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40002240401.

It is not a weakly prime, because it can be changed into another prime (40002240403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001120200 + 20001120201.

It is an arithmetic number, because the mean of its divisors is an integer number (20001120201).

Almost surely, 2^40002240401 is an apocalyptic number.

It is an amenable number.

40002240401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40002240401 is an equidigital number, since it uses as much as digits as its factorization.

40002240401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 40002240401 its reverse (10404220004), we get a palindrome (50406460405).

The spelling of 40002240401 in words is "forty billion, two million, two hundred forty thousand, four hundred one".